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CN109449610A - A kind of antenna assembly and electronic equipment - Google Patents

A kind of antenna assembly and electronic equipment Download PDF

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Publication number
CN109449610A
CN109449610A CN201811471075.2A CN201811471075A CN109449610A CN 109449610 A CN109449610 A CN 109449610A CN 201811471075 A CN201811471075 A CN 201811471075A CN 109449610 A CN109449610 A CN 109449610A
Authority
CN
China
Prior art keywords
mainboard
antenna
antenna element
edge
antenna assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811471075.2A
Other languages
Chinese (zh)
Inventor
何其娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goertek Inc
Original Assignee
Goertek Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Goertek Inc filed Critical Goertek Inc
Priority to CN201811471075.2A priority Critical patent/CN109449610A/en
Publication of CN109449610A publication Critical patent/CN109449610A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/29Combinations of different interacting antenna units for giving a desired directional characteristic
    • H01Q21/293Combinations of different interacting antenna units for giving a desired directional characteristic one unit or more being an array of identical aerial elements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/16Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
    • H01Q9/285Planar dipole

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

The invention discloses the electronic equipments of a kind of antenna assembly and the application antenna assembly, wherein, the antenna assembly includes: mainboard, and the mainboard has opposite top edge and lower edge and opposite left edge and right hand edge, at least two antenna elements, two antenna elements are located at left and right sides of the mainboard, and are electrically connected with the mainboard and controller, the controller is set to, and the antenna element of connection and the mainboard are coupled into antenna radiator.The horizontal omnidirectional covering of antenna can be achieved in the present invention.

Description

A kind of antenna assembly and electronic equipment
Technical field
The present invention relates to antenna technical field, it is related specifically to a kind of antenna assembly and electronic equipment.
Background technique
It is universal with smart home and artificial intelligence assistant in actual life, Baffle Box of Bluetooth or support artificial intelligence Baffle Box of Bluetooth is liked by consumer.
Baffle Box of Bluetooth usually carries WIFI chip simultaneously, has the Wi-Fi function of wireless routing or speaker, realizes AI Artificial intelligence function.
No matter WIFI or Bluetooth antenna, Antenna Operation frequency range is the 100MHz between 2.4GHz to 2.5GHz.It is blue Position is any indoors for tooth speaker, ideal antenna should horizontal omnidirectional covering, but in Baffle Box of Bluetooth, antenna size is far smaller than Loudspeaker, mainboard or the hot device size of fan, since the metallic reflection of these components is blocked, Bluetooth antenna horizontal omnidirectional relatively difficult to achieve covers Lid influences speaker and realizes stereo acoustic effect.
Summary of the invention
The main object of the present invention is to propose a kind of antenna assembly, it is intended to solve in the prior art electronic equipment antenna compared with Hardly possible realizes the problem of horizontal omnidirectional covering.
To achieve the above object, a kind of antenna assembly proposed by the present invention, the antenna assembly include:
Mainboard, the mainboard have opposite top edge and lower edge and opposite left edge and right hand edge;
At least two antenna elements, two antenna elements are located at left and right sides of the mainboard, and electric with the mainboard Connection;And
Controller, the controller be set to the mainboard, and control the mainboard be connected in turn an antenna element and Another antenna element, the antenna element of connection and the mainboard are coupled into antenna radiator.
Optionally, the distance between the plane where the top edge of the antenna element and the mainboard is D1, the day The distance between plane where the lower edge of line unit and the mainboard is D2, D1=D2.
Optionally, the antenna element includes feed radiation branch and ground connection radiation branch;
The mainboard is equipped with feeding point and grounding point, and the feed radiation branch is connect with the feeding point, the ground connection Radiation branch is connect with the grounding point;
The feed radiation branch and ground connection radiation branch of the same antenna element are intervally arranged along up and down direction.
Optionally, the spacing of the feed branch and the ground connection branch is 5mm~10mm.
Optionally, the antenna element has operation wavelength, the feed radiation branch and the ground connection radiation branch Development length is a quarter operation wavelength.
Optionally, the distance between plane where the top edge of the antenna element and mainboard D1 less than four/ One operation wavelength;
The distance between plane where the lower edge of the antenna element and mainboard D2 works less than a quarter Wavelength.
Optionally, the mainboard is rectangle, and the left edge and the right hand edge are long side, the top edge and described Lower edge is short side;
And/or the antenna element is dipole antenna unit.
Optionally, the antenna element is fixed by the bracket in a surface of the mainboard, the height of the antenna holder Value is less than or equal to 10mm;
And/or the antenna element is dipole antenna unit.
To achieve the above object, the present invention proposes a kind of electronic equipment, and the electronic equipment includes shell and is set to described The intracorporal antenna assembly of shell, the antenna assembly are antenna assemblies as described above.
Optionally, the electronic equipment further includes at least one loudspeaker being disposed in the housing, wherein is located at described The top of loudspeaker below one edge of mainboard is greater than 10mm at a distance from an edge of the mainboard.
Two antenna elements by being respectively arranged at the left and right sides of mainboard by the present invention, by controller by mainboard and a left side The antenna element of right two sides two carries out the other connection switching in turn of Microsecond grade, and equivalent implementation includes the antenna of antenna element and mainboard The horizontal omnidirectional of radiator covers.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of an embodiment of antenna assembly of the present invention;
Fig. 2 is the directional diagram of antenna element directional diagram and mainboard directional diagram in an a kind of embodiment of antenna assembly of the present invention Synthesize schematic diagram;
When Fig. 3 is that two antenna elements and mainboard are respectively communicated in an a kind of EXAMPLE Example of antenna assembly of the present invention The schematic diagram of the compound direction figure of generation.
Fig. 4 is the structural schematic diagram of an embodiment of a kind of electronic equipment of the present invention.
Drawing reference numeral explanation:
Label Title Label Title
100 Antenna assembly 200,300 Antenna element
201,301 Feed radiation branch 202,302 It is grounded radiation branch
400 Controller 1000 Electronic equipment
500 Shell 601,602,603 Loudspeaker
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result, Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model Within enclosing.
The present invention proposes a kind of antenna assembly, is applied to electronic equipment, can solve the day of electronic equipment in the prior art The problem of line horizontal omnidirectional relatively difficult to achieve covers.
The specific structure of antenna assembly will be described below:
As shown in Figure 1, in 2,00/,300 1 embodiment of inventive antenna device, the antenna assembly 200/300 includes: Mainboard, the mainboard 100 have opposite top edge and lower edge and opposite left edge and right hand edge;At least two antennas Unit, two antenna elements are located at left and right sides of the mainboard, and are electrically connected with the mainboard;And controller, institute Controller is stated set on the mainboard, and controls the mainboard and is connected to an antenna element 200 and another antenna list in turn Member 300, the antenna element (200,300) and the mainboard 100 of connection are coupled into antenna radiator.
In existing antenna assembly, some antenna elements are set to the surface of mainboard, the letter that antenna element is launched Number can by mainboard reflect cause the directional diagram of antenna bad;Some antenna elements are set to the edge of mainboard, in mainboard and day When line unit is coupled into antenna radiator, the corresponding directional diagram inclination of antenna radiator and asymmetry, these can all lead to not Realize the horizontal all standing of antenna assembly.
In the present embodiment, two antenna elements are respectively arranged to the left and right sides of mainboard, when controller control mainboard When being connected to the antenna element in left side, it is right that the antenna radiator that the antenna element in mainboard and left side is coupled into forms covering horizontal plane The horizontal directivity pattern of half of 180 degree, when controller control mainboard is connected to the antenna element on right side, the antenna of mainboard and right side The antenna radiator that unit is coupled into forms the horizontal directivity pattern of the left half of 180 degree of covering horizontal plane.By controller by mainboard Carry out that Microsecond grade is other to be connected to switching in turn with two antenna elements in the left and right sides, equivalent implementation includes antenna element and mainboard The horizontal omnidirectional of antenna radiator covers.It should be noted that above-mentioned horizontal direction is the horizontal plane direction where mainboard plane.
Optionally, antenna element can be the printing PCB antenna being set in mainboard plane.
As shown in Figure 1, in one embodiment of the present embodiment antenna structure, the top edge of the antenna element and the mainboard The distance between the plane at place is D1, and the antenna element is with the distance between the plane where the lower edge of the mainboard D2, D1=D2.
When antenna element is placed in the middle position of mainboard two sides in the manner described above, the antenna list that is connected to mainboard Member horizontal directivity pattern corresponding with mainboard formation antenna radiator is symmetrical with the horizontal central line of mainboard, preferably realizes aerial radiation The horizontal omnidirectional of body covers.
Optionally, the mainboard is equipped with feeding point and grounding point, the feed radiation branch (201,301) and the feed Point connection, the ground connection radiation branch (202,302) connect with the grounding point;
The feed radiation branch (201,301) of the same antenna element (200,300) and ground connection radiation branch (202, 302) it is intervally arranged along up and down direction.
Still optionally further, as shown in Figure 1, in order to reach higher antenna efficiency, the feed branch (201,301) and The space D 3 of ground connection branch (202,302) is 5mm~10mm.
As shown in Figure 1, the antenna element has operation wavelength, described in one embodiment of the present embodiment antenna structure The development length for feeding radiation branch (201,301) and the ground connection radiation branch (202,302) is a quarter operating wave It is long.
When a quarter for the operation wavelength that the length of antenna element is antenna element, the transmitting and reception of antenna element Transfer efficiency highest, wherein wavelength corresponding to the centre frequency of the antenna element radio wave signal to be sended and received For its operation wavelength.
Optionally, the distance between plane where the top edge of the antenna element and mainboard D1 less than four/ One operation wavelength;The distance between plane where the lower edge of the antenna element and mainboard D2 is less than a quarter work Make wavelength.
When an antenna element is connected to mainboard, the part mainboard where ground connection radiation branch and its development length generates humorous It shakes and forms antenna radiator, since the length of ground connection radiation branch is a quarter operation wavelength, participate in the part master of resonance The length of plate cannot be greater than half operation wavelength;Similarly, feed radiation branch and the part master where its development length Plate generates resonance and forms a day radiator, since the length of feed radiation branch is a quarter operation wavelength, participates in resonance The length of part mainboard cannot be greater than half operation wavelength.Therefore it can be concluded that, the top edge institute of antenna element and mainboard Plane between distance D1 be less than a quarter operation wavelength, between the plane where the lower edge of antenna element and mainboard Distance D2 be less than a quarter operation wavelength.
As described in Figure 1, in one embodiment of the present embodiment antenna structure, the mainboard 100 is rectangle, the left edge It is long side with the right hand edge, the top edge and the lower edge are short side;
And/or the antenna element is dipole antenna unit.
When the antenna element and mainboard being connected to mainboard form antenna radiator, electric current flows to mainboard from antenna element, The left/right edge direction that current path continues on mainboard can turn round when reaching tail end onto the up/down edge direction of mainboard, because This, in order to avoid generating the circular polarisation of antenna radiator, mainboard is preferably rectangle, i.e., the left/right edge of mainboard is long side, Up/down edge is short side.
As shown in Fig. 2, when antenna element is dipole antenna unit, since the directional diagram 20 of dipole antenna unit is Circle can synthesize ideal horizontal direction Figure 30 with the directional diagram 10 of mainboard.
As shown in figure 3, when controller control mainboard is connected to the antenna element in left side, the antenna element of mainboard and left side The horizontal directivity pattern that the antenna radiator being coupled into is formed is 50, when controller control mainboard is connected to the antenna element on right side When, the horizontal directivity pattern that the antenna radiator that the antenna element on mainboard and right side is coupled into is formed is 40.Therefore, pass through controller Two antenna elements in mainboard and the left and right sides carry out to Microsecond grade is other be connected to switching in turn, can include antenna list with equivalent implementation The horizontal omnidirectional covering of the antenna radiator of member and mainboard.
As described in Figure 1, in one embodiment of the present embodiment antenna structure, the antenna element is fixed by the bracket in described The height value on one surface of mainboard, the antenna holder is less than or equal to 10mm;
And/or the antenna element is dipole antenna unit.
When motherboard size is smaller or mainboard on function element it is more, PCB printed antenna can not be placed in mainboard plane When, antenna element can be fixed on to a surface of mainboard by bracket.In order to reduce mainboard to antenna element transmitting signal The height value of reflex, antenna holder is less than or equal to 10mm.
As shown in figure 4, the present invention also proposes a kind of electronic equipment, the electronic equipment includes shell 500 and is set to described Antenna assembly in shell 500, the antenna assembly are antenna assemblies as described above, and the specific structure of the antenna assembly is referring to upper Embodiment is stated, since this electronic equipment 1000 uses whole technical solutions of above-mentioned all embodiments, is at least had upper All beneficial effects brought by whole technical solutions of all embodiments are stated, this is no longer going to repeat them.
As shown in figure 4, the electronic equipment further includes being set to the shell in 1,000 1 embodiment of electronic equipment of the present invention At least one loudspeaker (601,602,603) in body 500, wherein the loudspeaker below an edge of the mainboard 100 602 top and an edge distance D4 of the mainboard 100 are greater than 10mm.
In order to reduce the antenna radiation pattern that the loudspeaker below one edge of mainboard synthesizes mainboard with the antenna element of connection Influence, the top of the loudspeaker needed at a distance from one edge of mainboard mainboard be greater than 10mm.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly It is included in other related technical areas in scope of patent protection of the invention.

Claims (10)

1. a kind of antenna assembly, which is characterized in that the antenna assembly includes:
Mainboard, the mainboard have opposite top edge and lower edge and opposite left edge and right hand edge;
At least two antenna elements, two antenna elements are located at left and right sides of the mainboard, and are electrically connected with the mainboard; And
Controller, the controller are set to the mainboard, and control the mainboard and be connected to an antenna element and another in turn The antenna element, the antenna element of connection and the mainboard are coupled into antenna radiator.
2. antenna assembly as described in claim 1, which is characterized in where the top edge of the antenna element and the mainboard The distance between plane be D1, the distance between the plane where the lower edge of the antenna element and the mainboard is D2, D1=D2.
3. antenna assembly as claimed in claim 2, which is characterized in that the antenna element includes feed radiation branch and ground connection Radiation branch;
The mainboard is equipped with feeding point and grounding point, and the feed radiation branch is connect with the feeding point, the ground connection radiation Branch connect with the grounding point;
The feed radiation branch and ground connection radiation branch of the same antenna element are intervally arranged along up and down direction.
4. antenna assembly as claimed in claim 3, which is characterized in that the feed branch and the spacing for being grounded branch are 5mm~10mm.
5. antenna assembly as claimed in claim 3, which is characterized in that the antenna element has operation wavelength, the feed The development length of radiation branch and the ground connection radiation branch is a quarter operation wavelength.
6. antenna assembly as claimed in claim 5, which is characterized in where the top edge of the antenna element and the mainboard The distance between plane D1 be less than a quarter operation wavelength;
The distance between plane where the lower edge of the antenna element and mainboard D2 is less than a quarter operation wavelength.
7. such as antenna assembly as claimed in any one of claims 1 to 6, which is characterized in that the mainboard is rectangle, the left side Edge and the right hand edge are long side, and the top edge and the lower edge are short side;
And/or the antenna element is dipole antenna unit.
8. such as antenna assembly as claimed in any one of claims 1 to 6, which is characterized in that the antenna element is fixed by the bracket In a surface of the mainboard, the height value of the antenna holder is less than or equal to 10mm;
And/or the antenna element is dipole antenna unit.
9. a kind of electronic equipment, which is characterized in that the electronic equipment includes shell and the antenna assembly that is disposed in the housing, The antenna assembly is such as antenna assembly described in any item of the claim 1 to 8.
10. electronic equipment as claimed in claim 9, which is characterized in that the electronic equipment further includes being disposed in the housing At least one loudspeaker, wherein the one side on the top of the loudspeaker below an edge of the mainboard and the mainboard The distance of edge is greater than 10mm.
CN201811471075.2A 2018-12-03 2018-12-03 A kind of antenna assembly and electronic equipment Pending CN109449610A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811471075.2A CN109449610A (en) 2018-12-03 2018-12-03 A kind of antenna assembly and electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811471075.2A CN109449610A (en) 2018-12-03 2018-12-03 A kind of antenna assembly and electronic equipment

Publications (1)

Publication Number Publication Date
CN109449610A true CN109449610A (en) 2019-03-08

Family

ID=65556283

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811471075.2A Pending CN109449610A (en) 2018-12-03 2018-12-03 A kind of antenna assembly and electronic equipment

Country Status (1)

Country Link
CN (1) CN109449610A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1285626A (en) * 1999-08-24 2001-02-28 兰茨斯塔国际公司 Asymmetric dipole antenna assembly
CN102354810A (en) * 2011-08-15 2012-02-15 浙江大学 Omni-directional electric scanning radome consisting of sub-wavelength resonance structure units
CN102544712A (en) * 2012-02-07 2012-07-04 上海安费诺永亿通讯电子有限公司 Multi-frequency band built-in antenna
CN102714353A (en) * 2009-11-27 2012-10-03 脉冲芬兰有限公司 Mimo antenna
US20140009342A1 (en) * 2012-07-03 2014-01-09 Wistron Neweb Corp. Multi-band antenna and electronic device provided with the same
CN107732421A (en) * 2017-11-21 2018-02-23 上海龙华汽车配件有限公司 A kind of airborne vertical fin conformal omnidirectional antenna
CN108493576A (en) * 2018-03-12 2018-09-04 广东欧珀移动通信有限公司 Antenna assembly, electronic equipment and antenna switching method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1285626A (en) * 1999-08-24 2001-02-28 兰茨斯塔国际公司 Asymmetric dipole antenna assembly
CN102714353A (en) * 2009-11-27 2012-10-03 脉冲芬兰有限公司 Mimo antenna
CN102354810A (en) * 2011-08-15 2012-02-15 浙江大学 Omni-directional electric scanning radome consisting of sub-wavelength resonance structure units
CN102544712A (en) * 2012-02-07 2012-07-04 上海安费诺永亿通讯电子有限公司 Multi-frequency band built-in antenna
US20140009342A1 (en) * 2012-07-03 2014-01-09 Wistron Neweb Corp. Multi-band antenna and electronic device provided with the same
CN107732421A (en) * 2017-11-21 2018-02-23 上海龙华汽车配件有限公司 A kind of airborne vertical fin conformal omnidirectional antenna
CN108493576A (en) * 2018-03-12 2018-09-04 广东欧珀移动通信有限公司 Antenna assembly, electronic equipment and antenna switching method

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Application publication date: 20190308